Garrity Hill Area

Prospect in Deer Lodge county in Montana, United States with commodities Chromium, Fluorine-Fluorite, Nickel, Phosphorus-Phosphates, REE, Uranium, Vanadium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Land status
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10123595
MAS/MILS ID 0300230151
Record type Site
Current site name Garrity Hill Area

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -113.08371, 46.14659 (WGS84)
Elevation 2255
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Deer Lodge(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

West Valley(quadrangle 1:24,000 scale)

Philipsburg(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Montana Deer Lodge

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 005 N 012 W 34 Montana

Commodities

Commodity Importance
Chromium Critical Tertiary
Fluorine-Fluorite Critical Tertiary
Nickel Critical Tertiary
Phosphorus-Phosphates Primary
REE Critical Tertiary
Uranium Tertiary
Vanadium Critical Tertiary

Nearby scientific data

Ore Body (1) Morrison Formation and Ellis Group

Economic information

Ore body information

  • Thickness 2M
    Depth to top 5M
    Field Value
    MAS Matrix # 1
    MAS Column # 3
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Thickness 2.3M
    Depth to top 5M
    Field Value
    MAS Matrix # 2
    MAS Column # 3
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316

Economic information about the deposit and operations

Development status Prospect
Commodity type Both
Significant No

Mineral rights holdings

Type of mineral rights Federal Lease

Land status

Ownership category National Forest

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Inferred 18143000mt ore
    Total resources 20411000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 28 wt-pct Phosphorus Major 1973
    Uranium U 0.0003 wt-pct Uranium Trace 1973
    Fluorine-Fluorite F 2.8 wt-pct Fluorine Trace 1973
  • Type In-situ
    Estimate year 1973
    Inferred 18143000mt ore
    Total resources 20411000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 25 wt-pct Phosphorus Major 1973
    Uranium U 0.0003 wt-pct Uranium Trace 1973
    Fluorine-Fluorite F 2.5 wt-pct Fluorine Trace 1973

Comments on the reserve resource information

  • M1 C3 RETORT MEMBER: Q50; RESOURCE BLOCK ABOVE ENTRY LEVEL, BED AREA 3195760 SQUARE METERS; Q25, RESOURCE BLOCK ABOVE FIRST 30M BELOW ENTRY LEVEL, BED AREA 3595230 SQUARE METERS; Q10, TOTAL RESOURCE IN AREA, BED AREA 12727300 SQUARE METERS

Reference information

Bibliographic references

  • Reserve-Resource

    SWANSON, ROGER, 1973, GEOLOGY AND PHOSPHATE DEPOSITS OF THE

  • Reserve-Resource

    PERMIAN ROCKS IN CENTRAL WESTERN MONTANA, USGS PROF. PAPER

  • Reserve-Resource

    313-F, P. 779-833.

General comments

Subject category Comment text
Deposit THIS RECORD IS FOR A LARGE AREA COVERING THE PHOSPHATE MINERALIZATION IN THE GARRITY HILL AREA. THUS IT INCLUDES SECS. 25,26,27,28,33,34,35,36, IN T5N R12W; AND SECS. 2,3, 4,10 T4N R12W DEPOSIT SEQ NOS. 0300390457,0300230141 ARE LOCATED IN THIS AREA PERMIAN ROCKS ARE EXPOSED ON THE FLANKS OF 2 ANTICLINES STRIKING NORTH; OVERTURNED TOWARD THE EAST THEIR LIMBS ARE STEEP. ROCKS ARE SO BROKEN THAT A CONSIDERABLE PART OF THE PHOSPHATE IS PROBABLY SPOILED FOR MINING. MOST OF AREA IS UNDER LEASE OR PROSPECTING PERMIT TO THE STAUFFER CHEMICAL CO.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Benjamin U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.